11949764974 has 16 divisors (see below), whose sum is σ = 20558219616. Its totient is φ = 5103100800.

The previous prime is 11949764971. The next prime is 11949764987. The reversal of 11949764974 is 47946794911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11949764971) 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, 1514847 + ... + 1522714.

It is an arithmetic number, because the mean of its divisors is an integer number (1284888726).

Almost surely, 2^11949764974 is an apocalyptic number.

11949764974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11949764974 is a deficient number, since it is larger than the sum of its proper divisors (8608454642).

11949764974 is a wasteful number, since it uses less digits than its factorization.

11949764974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3037851.

The product of its digits is 13716864, while the sum is 61.

The spelling of 11949764974 in words is "eleven billion, nine hundred forty-nine million, seven hundred sixty-four thousand, nine hundred seventy-four".