2151467957 has 2 divisors, whose sum is σ = 2151467958. Its totient is φ = 2151467956.

The previous prime is 2151467951. The next prime is 2151468013. The reversal of 2151467957 is 7597641512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1988624836 + 162843121 = 44594^2 + 12761^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2151467957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2151467951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075733978 + 1075733979.

It is an arithmetic number, because the mean of its divisors is an integer number (1075733979).

Almost surely, 2^2151467957 is an apocalyptic number.

It is an amenable number.

2151467957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151467957 is an equidigital number, since it uses as much as digits as its factorization.

2151467957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 47.

The square root of 2151467957 is about 46383.9191638654. The cubic root of 2151467957 is about 1290.9565561117.

The spelling of 2151467957 in words is "two billion, one hundred fifty-one million, four hundred sixty-seven thousand, nine hundred fifty-seven".