2046631957 has 2 divisors, whose sum is σ = 2046631958. Its totient is φ = 2046631956.

The previous prime is 2046631933. The next prime is 2046632083. The reversal of 2046631957 is 7591366402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1552281201 + 494350756 = 39399^2 + 22234^2 .

It is a cyclic number.

It is not a de Polignac number, because 2046631957 - 2²³ = 2038243349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2046631757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1023315978 + 1023315979.

It is an arithmetic number, because the mean of its divisors is an integer number (1023315979).

Almost surely, 2^2046631957 is an apocalyptic number.

It is an amenable number.

2046631957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2046631957 is an equidigital number, since it uses as much as digits as its factorization.

2046631957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 2046631957 is about 45239.7165884138. The cubic root of 2046631957 is about 1269.6380138897.

The spelling of 2046631957 in words is "two billion, forty-six million, six hundred thirty-one thousand, nine hundred fifty-seven".