947374011515 has 4 divisors (see below), whose sum is σ = 1136848813824. Its totient is φ = 757899209208.

The previous prime is 947374011503. The next prime is 947374011533. The reversal of 947374011515 is 515110473749.

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

It is a cyclic number.

It is not a de Polignac number, because 947374011515 - 2¹⁴ = 947373995131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 947374011515.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94737401147 + ... + 94737401156.

It is an arithmetic number, because the mean of its divisors is an integer number (284212203456).

Almost surely, 2^947374011515 is an apocalyptic number.

947374011515 is a deficient number, since it is larger than the sum of its proper divisors (189474802309).

947374011515 is a wasteful number, since it uses less digits than its factorization.

947374011515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189474802308.

The product of its (nonzero) digits is 529200, while the sum is 47.

The spelling of 947374011515 in words is "nine hundred forty-seven billion, three hundred seventy-four million, eleven thousand, five hundred fifteen".