2969701921 has 2 divisors, whose sum is σ = 2969701922. Its totient is φ = 2969701920.

The previous prime is 2969701907. The next prime is 2969701937. The reversal of 2969701921 is 1291079692.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1871773696 + 1097928225 = 43264^2 + 33135^2 .

It is a cyclic number.

It is not a de Polignac number, because 2969701921 - 2⁹ = 2969701409 is a prime.

It is not a weakly prime, because it can be changed into another prime (2969701951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1484850960 + 1484850961.

It is an arithmetic number, because the mean of its divisors is an integer number (1484850961).

Almost surely, 2^2969701921 is an apocalyptic number.

It is an amenable number.

2969701921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2969701921 is an equidigital number, since it uses as much as digits as its factorization.

2969701921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 2969701921 is about 54494.9715203155. The cubic root of 2969701921 is about 1437.3778672393.

The spelling of 2969701921 in words is "two billion, nine hundred sixty-nine million, seven hundred one thousand, nine hundred twenty-one".