902658949 has 2 divisors, whose sum is σ = 902658950. Its totient is φ = 902658948.

The previous prime is 902658941. The next prime is 902658971. The reversal of 902658949 is 949856209.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 805537924 + 97121025 = 28382^2 + 9855^2 .

It is a cyclic number.

It is not a de Polignac number, because 902658949 - 2³ = 902658941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 902658896 and 902658905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (902658941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 451329474 + 451329475.

It is an arithmetic number, because the mean of its divisors is an integer number (451329475).

Almost surely, 2^902658949 is an apocalyptic number.

It is an amenable number.

902658949 is a deficient number, since it is larger than the sum of its proper divisors (1).

902658949 is an equidigital number, since it uses as much as digits as its factorization.

902658949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The square root of 902658949 is about 30044.2831334016. The cubic root of 902658949 is about 966.4392597981.

The spelling of 902658949 in words is "nine hundred two million, six hundred fifty-eight thousand, nine hundred forty-nine".