901392769 has 4 divisors (see below), whose sum is σ = 901945044. Its totient is φ = 900840496.

The previous prime is 901392763. The next prime is 901392827. The reversal of 901392769 is 967293109.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 396806400 + 504586369 = 19920^2 + 22463^2 .

It is a cyclic number.

It is not a de Polignac number, because 901392769 - 2¹⁵ = 901360001 is a prime.

It is a super-2 number, since 2×901392769² = 1625017848010974722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (901392763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273682 + ... + 276955.

It is an arithmetic number, because the mean of its divisors is an integer number (225486261).

Almost surely, 2^901392769 is an apocalyptic number.

It is an amenable number.

901392769 is a deficient number, since it is larger than the sum of its proper divisors (552275).

901392769 is a wasteful number, since it uses less digits than its factorization.

901392769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552274.

The product of its (nonzero) digits is 183708, while the sum is 46.

The square root of 901392769 is about 30023.2038430278. The cubic root of 901392769 is about 965.9871663197.

The spelling of 901392769 in words is "nine hundred one million, three hundred ninety-two thousand, seven hundred sixty-nine".