5451902569 has 9 divisors (see below), whose sum is σ = 5573916541. Its totient is φ = 5332508140.

The previous prime is 5451902551. The next prime is 5451902593. The reversal of 5451902569 is 9652091545.

The square root of 5451902569 is 73837.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 5451902569 - 2⁷ = 5451902441 is a prime.

It is a super-2 number, since 2×5451902569² = 59446483243737599522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5451902539) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3469554 + ... + 3471124.

Almost surely, 2^5451902569 is an apocalyptic number.

5451902569 is the 73837-th square number.

5451902569 is the 36919-th centered octagonal number.

It is an amenable number.

5451902569 is a deficient number, since it is larger than the sum of its proper divisors (122013972).

5451902569 is an frugal number, since it uses more digits than its factorization.

5451902569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236 (or 1618 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 46.

The cubic root of 5451902569 is about 1760.0136200091.

The spelling of 5451902569 in words is "five billion, four hundred fifty-one million, nine hundred two thousand, five hundred sixty-nine".