49018951 has 2 divisors, whose sum is σ = 49018952. Its totient is φ = 49018950.

The previous prime is 49018933. The next prime is 49018999. The reversal of 49018951 is 15981094.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49018951 - 2¹⁵ = 48986183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49018951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49018901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24509475 + 24509476.

It is an arithmetic number, because the mean of its divisors is an integer number (24509476).

Almost surely, 2^49018951 is an apocalyptic number.

49018951 is a deficient number, since it is larger than the sum of its proper divisors (1).

49018951 is an equidigital number, since it uses as much as digits as its factorization.

49018951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 49018951 is about 7001.3535120004. The cubic root of 49018951 is about 365.9777400936.

The spelling of 49018951 in words is "forty-nine million, eighteen thousand, nine hundred fifty-one".