26672758501 has 2 divisors, whose sum is σ = 26672758502. Its totient is φ = 26672758500.

The previous prime is 26672758493. The next prime is 26672758507. The reversal of 26672758501 is 10585727662.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15180704100 + 11492054401 = 123210^2 + 107201^2 .

It is a cyclic number.

It is not a de Polignac number, because 26672758501 - 2³ = 26672758493 is a prime.

It is a super-2 number, since 2×26672758501² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26672758507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13336379250 + 13336379251.

It is an arithmetic number, because the mean of its divisors is an integer number (13336379251).

Almost surely, 2^26672758501 is an apocalyptic number.

It is an amenable number.

26672758501 is a deficient number, since it is larger than the sum of its proper divisors (1).

26672758501 is an equidigital number, since it uses as much as digits as its factorization.

26672758501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 26672758501 in words is "twenty-six billion, six hundred seventy-two million, seven hundred fifty-eight thousand, five hundred one".