49133969 has 2 divisors, whose sum is σ = 49133970. Its totient is φ = 49133968.

The previous prime is 49133951. The next prime is 49133999. The reversal of 49133969 is 96933194.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30747025 + 18386944 = 5545^2 + 4288^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49133969 is a prime.

It is a super-2 number, since 2×49133969² = 4828293819385922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49133999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24566984 + 24566985.

It is an arithmetic number, because the mean of its divisors is an integer number (24566985).

Almost surely, 2^49133969 is an apocalyptic number.

It is an amenable number.

49133969 is a deficient number, since it is larger than the sum of its proper divisors (1).

49133969 is an equidigital number, since it uses as much as digits as its factorization.

49133969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 157464, while the sum is 44.

The square root of 49133969 is about 7009.5626825074. The cubic root of 49133969 is about 366.2637597288.

The spelling of 49133969 in words is "forty-nine million, one hundred thirty-three thousand, nine hundred sixty-nine".