49290640787 has 2 divisors, whose sum is σ = 49290640788. Its totient is φ = 49290640786.

The previous prime is 49290640781. The next prime is 49290640829. The reversal of 49290640787 is 78704609294.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49290640787 - 2²² = 49286446483 is a prime.

It is not a weakly prime, because it can be changed into another prime (49290640781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24645320393 + 24645320394.

It is an arithmetic number, because the mean of its divisors is an integer number (24645320394).

Almost surely, 2^49290640787 is an apocalyptic number.

49290640787 is a deficient number, since it is larger than the sum of its proper divisors (1).

49290640787 is an equidigital number, since it uses as much as digits as its factorization.

49290640787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 56.

The spelling of 49290640787 in words is "forty-nine billion, two hundred ninety million, six hundred forty thousand, seven hundred eighty-seven".