2972381563 has 8 divisors (see below), whose sum is σ = 3160137888. Its totient is φ = 2789502144.

The previous prime is 2972381549. The next prime is 2972381597. The reversal of 2972381563 is 3651832792.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2972381563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2972381543) 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, 1217970 + ... + 1220407.

It is an arithmetic number, because the mean of its divisors is an integer number (395017236).

Almost surely, 2^2972381563 is an apocalyptic number.

2972381563 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2972381563 is a deficient number, since it is larger than the sum of its proper divisors (187756325).

2972381563 is a wasteful number, since it uses less digits than its factorization.

2972381563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2438453.

The product of its digits is 544320, while the sum is 46.

The square root of 2972381563 is about 54519.5521166489. The cubic root of 2972381563 is about 1437.8100655206.

The spelling of 2972381563 in words is "two billion, nine hundred seventy-two million, three hundred eighty-one thousand, five hundred sixty-three".