190274314387 has 2 divisors, whose sum is σ = 190274314388. Its totient is φ = 190274314386.

The previous prime is 190274314309. The next prime is 190274314429. The reversal of 190274314387 is 783413472091.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190274314387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 190274314387.

It is not a weakly prime, because it can be changed into another prime (190274314687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95137157193 + 95137157194.

It is an arithmetic number, because the mean of its divisors is an integer number (95137157194).

Almost surely, 2^190274314387 is an apocalyptic number.

190274314387 is a deficient number, since it is larger than the sum of its proper divisors (1).

190274314387 is an equidigital number, since it uses as much as digits as its factorization.

190274314387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 190274314387 in words is "one hundred ninety billion, two hundred seventy-four million, three hundred fourteen thousand, three hundred eighty-seven".