692426641 has 2 divisors, whose sum is σ = 692426642. Its totient is φ = 692426640.

The previous prime is 692426627. The next prime is 692426653. The reversal of 692426641 is 146624296.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 588305025 + 104121616 = 24255^2 + 10204^2 .

It is a cyclic number.

It is not a de Polignac number, because 692426641 - 2⁹ = 692426129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 692426594 and 692426603.

It is not a weakly prime, because it can be changed into another prime (692426611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346213320 + 346213321.

It is an arithmetic number, because the mean of its divisors is an integer number (346213321).

Almost surely, 2^692426641 is an apocalyptic number.

It is an amenable number.

692426641 is a deficient number, since it is larger than the sum of its proper divisors (1).

692426641 is an equidigital number, since it uses as much as digits as its factorization.

692426641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 40.

The square root of 692426641 is about 26314.0008550581. Note that the first 3 decimals coincide. The cubic root of 692426641 is about 884.6902811439.

The spelling of 692426641 in words is "six hundred ninety-two million, four hundred twenty-six thousand, six hundred forty-one".