151774074493 has 2 divisors, whose sum is σ = 151774074494. Its totient is φ = 151774074492.

The previous prime is 151774074479. The next prime is 151774074523. The reversal of 151774074493 is 394470477151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88329028804 + 63445045689 = 297202^2 + 251883^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151774074493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 151774074493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151774075493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75887037246 + 75887037247.

It is an arithmetic number, because the mean of its divisors is an integer number (75887037247).

Almost surely, 2^151774074493 is an apocalyptic number.

It is an amenable number.

151774074493 is a deficient number, since it is larger than the sum of its proper divisors (1).

151774074493 is an equidigital number, since it uses as much as digits as its factorization.

151774074493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2963520, while the sum is 52.

The spelling of 151774074493 in words is "one hundred fifty-one billion, seven hundred seventy-four million, seventy-four thousand, four hundred ninety-three".