2970642136 has 64 divisors (see below), whose sum is σ = 6956570880. Its totient is φ = 1155358080.

The previous prime is 2970642113. The next prime is 2970642137. The reversal of 2970642136 is 6312460792.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2970642137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373675 + ... + 381541.

It is an arithmetic number, because the mean of its divisors is an integer number (108696420).

It is a vampire number, since it can be written as 47201 ⋅ 62936 (with its own digits).

Almost surely, 2^2970642136 is an apocalyptic number.

2970642136 is the 31468-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2970642136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3478285440).

2970642136 is an abundant number, since it is smaller than the sum of its proper divisors (3985928744).

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

2970642136 is a wasteful number, since it uses less digits than its factorization.

2970642136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8504 (or 8500 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 2970642136 is about 54503.5974592503. The cubic root of 2970642136 is about 1437.5295437003.

The spelling of 2970642136 in words is "two billion, nine hundred seventy million, six hundred forty-two thousand, one hundred thirty-six".