2921057901 has 6 divisors (see below), whose sum is σ = 4219305870. Its totient is φ = 1947371928.

The previous prime is 2921057899. The next prime is 2921057911. The reversal of 2921057901 is 1097501292.

It can be written as a sum of positive squares in only one way, i.e., 2865032676 + 56025225 = 53526^2 + 7485^2 .

It is not a de Polignac number, because 2921057901 - 2¹ = 2921057899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2921057911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 162280986 + ... + 162281003.

It is an arithmetic number, because the mean of its divisors is an integer number (703217645).

Almost surely, 2^2921057901 is an apocalyptic number.

It is an amenable number.

2921057901 is a deficient number, since it is larger than the sum of its proper divisors (1298247969).

2921057901 is a wasteful number, since it uses less digits than its factorization.

2921057901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324561995 (or 324561992 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 2921057901 is about 54046.8121261560. The cubic root of 2921057901 is about 1429.4864899497.

The spelling of 2921057901 in words is "two billion, nine hundred twenty-one million, fifty-seven thousand, nine hundred one".