49149046903690 has 16 divisors (see below), whose sum is σ = 88468365286728. Its totient is φ = 19659600792576.

The previous prime is 49149046903679. The next prime is 49149046903699. The reversal of 49149046903690 is 9630964094194.

It can be written as a sum of positive squares in 4 ways, for example, as 20717617858921 + 28431429044769 = 4551661^2 + 5332113^2 .

It is a super-2 number, since 2×49149046903690² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49149046903699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17550514 + ... + 20157346.

Almost surely, 2^{49149046903690} is an apocalyptic number.

49149046903690 is a deficient number, since it is larger than the sum of its proper divisors (39319318383038).

49149046903690 is a wasteful number, since it uses less digits than its factorization.

49149046903690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492233.

The product of its (nonzero) digits is 45349632, while the sum is 64.

The spelling of 49149046903690 in words is "forty-nine trillion, one hundred forty-nine billion, forty-six million, nine hundred three thousand, six hundred ninety".