69154245157 has 2 divisors, whose sum is σ = 69154245158. Its totient is φ = 69154245156.

The previous prime is 69154245151. The next prime is 69154245239. The reversal of 69154245157 is 75154245196.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69119564836 + 34680321 = 262906^2 + 5889^2 .

It is a cyclic number.

It is not a de Polignac number, because 69154245157 - 2²⁷ = 69020027429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69154245157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69154245151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34577122578 + 34577122579.

It is an arithmetic number, because the mean of its divisors is an integer number (34577122579).

Almost surely, 2^69154245157 is an apocalyptic number.

It is an amenable number.

69154245157 is a deficient number, since it is larger than the sum of its proper divisors (1).

69154245157 is an equidigital number, since it uses as much as digits as its factorization.

69154245157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512000, while the sum is 49.

The spelling of 69154245157 in words is "sixty-nine billion, one hundred fifty-four million, two hundred forty-five thousand, one hundred fifty-seven".