49273536397 has 2 divisors, whose sum is σ = 49273536398. Its totient is φ = 49273536396.

The previous prime is 49273536383. The next prime is 49273536413. The reversal of 49273536397 is 79363537294.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38594174116 + 10679362281 = 196454^2 + 103341^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49273536397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49273536337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24636768198 + 24636768199.

It is an arithmetic number, because the mean of its divisors is an integer number (24636768199).

Almost surely, 2^49273536397 is an apocalyptic number.

It is an amenable number.

49273536397 is a deficient number, since it is larger than the sum of its proper divisors (1).

49273536397 is an equidigital number, since it uses as much as digits as its factorization.

49273536397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25719120, while the sum is 58.

The spelling of 49273536397 in words is "forty-nine billion, two hundred seventy-three million, five hundred thirty-six thousand, three hundred ninety-seven".