464707769921 has 8 divisors (see below), whose sum is σ = 465298437000. Its totient is φ = 464117299200.

The previous prime is 464707769899. The next prime is 464707769923. The reversal of 464707769921 is 129967707464.

It can be written as a sum of positive squares in 4 ways, for example, as 16927311025 + 447780458896 = 130105^2 + 669164^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-464707769921 is a prime.

It is a super-2 number, since 2×464707769921² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464707769923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5016221 + ... + 5108021.

It is an arithmetic number, because the mean of its divisors is an integer number (58162304625).

Almost surely, 2^464707769921 is an apocalyptic number.

It is an amenable number.

464707769921 is a deficient number, since it is larger than the sum of its proper divisors (590667079).

464707769921 is an equidigital number, since it uses as much as digits as its factorization.

464707769921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98179.

The product of its (nonzero) digits is 32006016, while the sum is 62.

The spelling of 464707769921 in words is "four hundred sixty-four billion, seven hundred seven million, seven hundred sixty-nine thousand, nine hundred twenty-one".