137372669897 has 2 divisors, whose sum is σ = 137372669898. Its totient is φ = 137372669896.

The previous prime is 137372669873. The next prime is 137372669921. The reversal of 137372669897 is 798966273731.

It is a balanced prime because it is at equal distance from previous prime (137372669873) and next prime (137372669921).

It can be written as a sum of positive squares in only one way, i.e., 129646084096 + 7726585801 = 360064^2 + 87901^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137372669897 is a prime.

It is not a weakly prime, because it can be changed into another prime (137372639897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68686334948 + 68686334949.

It is an arithmetic number, because the mean of its divisors is an integer number (68686334949).

Almost surely, 2^137372669897 is an apocalyptic number.

It is an amenable number.

137372669897 is a deficient number, since it is larger than the sum of its proper divisors (1).

137372669897 is an equidigital number, since it uses as much as digits as its factorization.

137372669897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144027072, while the sum is 68.

The spelling of 137372669897 in words is "one hundred thirty-seven billion, three hundred seventy-two million, six hundred sixty-nine thousand, eight hundred ninety-seven".