64263747958 has 16 divisors (see below), whose sum is σ = 97467002640. Its totient is φ = 31776546816.

The previous prime is 64263747943. The next prime is 64263747959. The reversal of 64263747958 is 85974736246.

It is a junction number, because it is equal to n+sod(n) for n = 64263747896 and 64263747905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64263747959) 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, 378291 + ... + 521182.

It is an arithmetic number, because the mean of its divisors is an integer number (6091687665).

Almost surely, 2^64263747958 is an apocalyptic number.

64263747958 is a deficient number, since it is larger than the sum of its proper divisors (33203254682).

64263747958 is a wasteful number, since it uses less digits than its factorization.

64263747958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899871.

The product of its digits is 60963840, while the sum is 61.

The spelling of 64263747958 in words is "sixty-four billion, two hundred sixty-three million, seven hundred forty-seven thousand, nine hundred fifty-eight".