7214970157 has 2 divisors, whose sum is σ = 7214970158. Its totient is φ = 7214970156.

The previous prime is 7214970127. The next prime is 7214970173. The reversal of 7214970157 is 7510794127.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7010880361 + 204089796 = 83731^2 + 14286^2 .

It is a cyclic number.

It is not a de Polignac number, because 7214970157 - 2¹¹ = 7214968109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7214970127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3607485078 + 3607485079.

It is an arithmetic number, because the mean of its divisors is an integer number (3607485079).

Almost surely, 2^7214970157 is an apocalyptic number.

It is an amenable number.

7214970157 is a deficient number, since it is larger than the sum of its proper divisors (1).

7214970157 is an equidigital number, since it uses as much as digits as its factorization.

7214970157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 123480, while the sum is 43.

The square root of 7214970157 is about 84940.9804334751. The cubic root of 7214970157 is about 1932.3161323614.

It can be divided in two parts, 7214970 and 157, that added together give a palindrome (7215127).

The spelling of 7214970157 in words is "seven billion, two hundred fourteen million, nine hundred seventy thousand, one hundred fifty-seven".