6454620931 has 8 divisors (see below), whose sum is σ = 7048004400. Its totient is φ = 5862337440.

The previous prime is 6454620923. The next prime is 6454620937. The reversal of 6454620931 is 1390264546.

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

It is a cyclic number.

It is not a de Polignac number, because 6454620931 - 2³ = 6454620923 is a prime.

It is a super-2 number, since 2×6454620931² = 83324262725806613522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6454620937) 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, 262696 + ... + 286213.

It is an arithmetic number, because the mean of its divisors is an integer number (881000550).

Almost surely, 2^6454620931 is an apocalyptic number.

6454620931 is a deficient number, since it is larger than the sum of its proper divisors (593383469).

6454620931 is a wasteful number, since it uses less digits than its factorization.

6454620931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549989.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 6454620931 is about 80340.6555300615. The cubic root of 6454620931 is about 1861.9024096416.

The spelling of 6454620931 in words is "six billion, four hundred fifty-four million, six hundred twenty thousand, nine hundred thirty-one".