264230191493947 has 16 divisors (see below), whose sum is σ = 315660602856960. Its totient is φ = 216255202333632.

The previous prime is 264230191493861. The next prime is 264230191493969. The reversal of 264230191493947 is 749394191032462.

It is a happy number.

It is not a de Polignac number, because 264230191493947 - 2¹⁵ = 264230191461179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264230191493987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1442071233 + ... + 1442254450.

It is an arithmetic number, because the mean of its divisors is an integer number (19728787678560).

Almost surely, 2^{264230191493947} is an apocalyptic number.

264230191493947 is a deficient number, since it is larger than the sum of its proper divisors (51430411363013).

264230191493947 is a wasteful number, since it uses less digits than its factorization.

264230191493947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2884326282.

The product of its (nonzero) digits is 70543872, while the sum is 64.

The spelling of 264230191493947 in words is "two hundred sixty-four trillion, two hundred thirty billion, one hundred ninety-one million, four hundred ninety-three thousand, nine hundred forty-seven".