2921094157 has 2 divisors, whose sum is σ = 2921094158. Its totient is φ = 2921094156.

The previous prime is 2921094131. The next prime is 2921094221. The reversal of 2921094157 is 7514901292.

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., 2435817316 + 485276841 = 49354^2 + 22029^2 .

It is a cyclic number.

It is not a de Polignac number, because 2921094157 - 2¹⁵ = 2921061389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2921004157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1460547078 + 1460547079.

It is an arithmetic number, because the mean of its divisors is an integer number (1460547079).

Almost surely, 2^2921094157 is an apocalyptic number.

It is an amenable number.

2921094157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2921094157 is an equidigital number, since it uses as much as digits as its factorization.

2921094157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 2921094157 is about 54047.1475380524. The cubic root of 2921094157 is about 1429.4924041595.

The spelling of 2921094157 in words is "two billion, nine hundred twenty-one million, ninety-four thousand, one hundred fifty-seven".