2978956720101 has 8 divisors (see below), whose sum is σ = 3988561299840. Its totient is φ = 1977661643552.

The previous prime is 2978956720093. The next prime is 2978956720121. The reversal of 2978956720101 is 1010276598792.

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

It is a cyclic number.

It is not a de Polignac number, because 2978956720101 - 2³ = 2978956720093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2978956720121) 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, 2077374960 + ... + 2077376393.

It is an arithmetic number, because the mean of its divisors is an integer number (498570162480).

Almost surely, 2^{2978956720101} is an apocalyptic number.

It is an amenable number.

2978956720101 is a deficient number, since it is larger than the sum of its proper divisors (1009604579739).

2978956720101 is a wasteful number, since it uses less digits than its factorization.

2978956720101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4154751595.

The product of its (nonzero) digits is 3810240, while the sum is 57.

The spelling of 2978956720101 in words is "two trillion, nine hundred seventy-eight billion, nine hundred fifty-six million, seven hundred twenty thousand, one hundred one".