49092877970161 has 9 divisors (see below), whose sum is σ = 49190597047371. Its totient is φ = 48995352673272.

The previous prime is 49092877970159. The next prime is 49092877970167. The reversal of 49092877970161 is 16107977829094.

The square root of 49092877970161 is 7006631.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1635163200225 + 47457714769936 = 1278735^2 + 6888956^2 .

It is not a de Polignac number, because 49092877970161 - 2¹ = 49092877970159 is a prime.

It is a super-2 number, since 2×49092877970161² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49092877970167) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3664461315 + ... + 3664474711.

Almost surely, 2^{49092877970161} is an apocalyptic number.

49092877970161 is the 7006631-st square number.

49092877970161 is the 3503316-th centered octagonal number.

It is an amenable number.

49092877970161 is a deficient number, since it is larger than the sum of its proper divisors (97719077210).

49092877970161 is an frugal number, since it uses more digits than its factorization.

49092877970161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27840 (or 13920 counting only the distinct ones).

The product of its (nonzero) digits is 96018048, while the sum is 70.

The spelling of 49092877970161 in words is "forty-nine trillion, ninety-two billion, eight hundred seventy-seven million, nine hundred seventy thousand, one hundred sixty-one".