190649707 has 2 divisors, whose sum is σ = 190649708. Its totient is φ = 190649706.

The previous prime is 190649699. The next prime is 190649729. The reversal of 190649707 is 707946091.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (707946091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190649707 - 2³ = 190649699 is a prime.

It is not a weakly prime, because it can be changed into another prime (190640707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95324853 + 95324854.

It is an arithmetic number, because the mean of its divisors is an integer number (95324854).

Almost surely, 2^190649707 is an apocalyptic number.

190649707 is a deficient number, since it is larger than the sum of its proper divisors (1).

190649707 is an equidigital number, since it uses as much as digits as its factorization.

190649707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 190649707 is about 13807.5959891648. The cubic root of 190649707 is about 575.5442428666.

The spelling of 190649707 in words is "one hundred ninety million, six hundred forty-nine thousand, seven hundred seven".