49842769 has 2 divisors, whose sum is σ = 49842770. Its totient is φ = 49842768.

The previous prime is 49842763. The next prime is 49842791. The reversal of 49842769 is 96724894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30658369 + 19184400 = 5537^2 + 4380^2 .

It is a cyclic number.

It is not a de Polignac number, because 49842769 - 2⁷ = 49842641 is a prime.

It is a super-2 number, since 2×49842769² = 4968603243174722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49842763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24921384 + 24921385.

It is an arithmetic number, because the mean of its divisors is an integer number (24921385).

Almost surely, 2^49842769 is an apocalyptic number.

It is an amenable number.

49842769 is a deficient number, since it is larger than the sum of its proper divisors (1).

49842769 is an equidigital number, since it uses as much as digits as its factorization.

49842769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 49.

The square root of 49842769 is about 7059.9411470635. The cubic root of 49842769 is about 368.0165817394.

The spelling of 49842769 in words is "forty-nine million, eight hundred forty-two thousand, seven hundred sixty-nine".