1263979407324 has 12 divisors (see below), whose sum is σ = 2949285283784. Its totient is φ = 421326469104.

The previous prime is 1263979407323. The next prime is 1263979407329. The reversal of 1263979407324 is 4237049793621.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263979407323) 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, 52665808627 + ... + 52665808650.

Almost surely, 2^{1263979407324} is an apocalyptic number.

It is an amenable number.

1263979407324 is an abundant number, since it is smaller than the sum of its proper divisors (1685305876460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1263979407324 is a wasteful number, since it uses less digits than its factorization.

1263979407324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105331617284 (or 105331617282 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 57.

The spelling of 1263979407324 in words is "one trillion, two hundred sixty-three billion, nine hundred seventy-nine million, four hundred seven thousand, three hundred twenty-four".