964455431 has 4 divisors (see below), whose sum is σ = 990521832. Its totient is φ = 938389032.

The previous prime is 964455413. The next prime is 964455439. The reversal of 964455431 is 134554469.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134554469 = 7 ⋅19222067.

It is a cyclic number.

It is not a de Polignac number, because 964455431 - 2⁶ = 964455367 is a prime.

It is a super-2 number, since 2×964455431² = 1860348556770791522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964455439) 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, 13033145 + ... + 13033218.

It is an arithmetic number, because the mean of its divisors is an integer number (247630458).

Almost surely, 2^964455431 is an apocalyptic number.

964455431 is a deficient number, since it is larger than the sum of its proper divisors (26066401).

964455431 is a wasteful number, since it uses less digits than its factorization.

964455431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26066400.

The product of its digits is 259200, while the sum is 41.

The square root of 964455431 is about 31055.6827488948. The cubic root of 964455431 is about 988.0085912124.

The spelling of 964455431 in words is "nine hundred sixty-four million, four hundred fifty-five thousand, four hundred thirty-one".