772941209493 has 16 divisors (see below), whose sum is σ = 1063894528512. Its totient is φ = 498642936000.

The previous prime is 772941209471. The next prime is 772941209533. The reversal of 772941209493 is 394902149277.

It is a happy number.

It is not a de Polignac number, because 772941209493 - 2¹⁸ = 772940947349 is a prime.

It is a super-2 number, since 2×772941209493² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772941209413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1441123 + ... + 1903343.

It is an arithmetic number, because the mean of its divisors is an integer number (66493408032).

Almost surely, 2^772941209493 is an apocalyptic number.

It is an amenable number.

772941209493 is a deficient number, since it is larger than the sum of its proper divisors (290953319019).

772941209493 is a wasteful number, since it uses less digits than its factorization.

772941209493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480236.

The product of its (nonzero) digits is 6858432, while the sum is 57.

The spelling of 772941209493 in words is "seven hundred seventy-two billion, nine hundred forty-one million, two hundred nine thousand, four hundred ninety-three".