48315649997 has 2 divisors, whose sum is σ = 48315649998. Its totient is φ = 48315649996.

The previous prime is 48315649957. The next prime is 48315650021. The reversal of 48315649997 is 79994651384.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42323187076 + 5992462921 = 205726^2 + 77411^2 .

It is a cyclic number.

It is not a de Polignac number, because 48315649997 - 2¹² = 48315645901 is a prime.

It is a super-2 number, since 2×48315649997² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48315649957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24157824998 + 24157824999.

It is an arithmetic number, because the mean of its divisors is an integer number (24157824999).

Almost surely, 2^48315649997 is an apocalyptic number.

It is an amenable number.

48315649997 is a deficient number, since it is larger than the sum of its proper divisors (1).

48315649997 is an equidigital number, since it uses as much as digits as its factorization.

48315649997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58786560, while the sum is 65.

The spelling of 48315649997 in words is "forty-eight billion, three hundred fifteen million, six hundred forty-nine thousand, nine hundred ninety-seven".