2978474990415 has 8 divisors (see below), whose sum is σ = 4765559984688. Its totient is φ = 1588519994880.

The previous prime is 2978474990389. The next prime is 2978474990423. The reversal of 2978474990415 is 5140994748792.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2978474990415 - 2¹⁷ = 2978474859343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2978474990415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99282499666 + ... + 99282499695.

It is an arithmetic number, because the mean of its divisors is an integer number (595694998086).

Almost surely, 2^{2978474990415} is an apocalyptic number.

2978474990415 is a deficient number, since it is larger than the sum of its proper divisors (1787084994273).

2978474990415 is a wasteful number, since it uses less digits than its factorization.

2978474990415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198564999369.

The product of its (nonzero) digits is 182891520, while the sum is 69.

The spelling of 2978474990415 in words is "two trillion, nine hundred seventy-eight billion, four hundred seventy-four million, nine hundred ninety thousand, four hundred fifteen".