15464956394 has 4 divisors (see below), whose sum is σ = 23197434594. Its totient is φ = 7732478196.

The previous prime is 15464956393. The next prime is 15464956439. The reversal of 15464956394 is 49365946451.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9728863225 + 5736093169 = 98635^2 + 75737^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15464956393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3866239097 + ... + 3866239100.

Almost surely, 2^15464956394 is an apocalyptic number.

15464956394 is a deficient number, since it is larger than the sum of its proper divisors (7732478200).

15464956394 is an equidigital number, since it uses as much as digits as its factorization.

15464956394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7732478199.

The product of its digits is 13996800, while the sum is 56.

The spelling of 15464956394 in words is "fifteen billion, four hundred sixty-four million, nine hundred fifty-six thousand, three hundred ninety-four".