190629191761 has 2 divisors, whose sum is σ = 190629191762. Its totient is φ = 190629191760.

The previous prime is 190629191747. The next prime is 190629191771. The reversal of 190629191761 is 167191926091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187862431761 + 2766760000 = 433431^2 + 52600^2 .

It is a cyclic number.

It is not a de Polignac number, because 190629191761 - 2⁷ = 190629191633 is a prime.

It is a super-2 number, since 2×190629191761² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 190629191699 and 190629191708.

It is not a weakly prime, because it can be changed into another prime (190629191771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95314595880 + 95314595881.

It is an arithmetic number, because the mean of its divisors is an integer number (95314595881).

Almost surely, 2^190629191761 is an apocalyptic number.

It is an amenable number.

190629191761 is a deficient number, since it is larger than the sum of its proper divisors (1).

190629191761 is an equidigital number, since it uses as much as digits as its factorization.

190629191761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 52.

The spelling of 190629191761 in words is "one hundred ninety billion, six hundred twenty-nine million, one hundred ninety-one thousand, seven hundred sixty-one".