5401691237 has 2 divisors, whose sum is σ = 5401691238. Its totient is φ = 5401691236.

The previous prime is 5401691233. The next prime is 5401691249. The reversal of 5401691237 is 7321961045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5353263556 + 48427681 = 73166^2 + 6959^2 .

It is a cyclic number.

It is not a de Polignac number, because 5401691237 - 2² = 5401691233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5401691237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5401691233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2700845618 + 2700845619.

It is an arithmetic number, because the mean of its divisors is an integer number (2700845619).

Almost surely, 2^5401691237 is an apocalyptic number.

It is an amenable number.

5401691237 is a deficient number, since it is larger than the sum of its proper divisors (1).

5401691237 is an equidigital number, since it uses as much as digits as its factorization.

5401691237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 5401691237 is about 73496.1987928628. The cubic root of 5401691237 is about 1754.5937796244.

The spelling of 5401691237 in words is "five billion, four hundred one million, six hundred ninety-one thousand, two hundred thirty-seven".