49142473 has 2 divisors, whose sum is σ = 49142474. Its totient is φ = 49142472.

The previous prime is 49142419. The next prime is 49142479. The reversal of 49142473 is 37424194.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43930384 + 5212089 = 6628^2 + 2283^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49142473 is a prime.

It is not a weakly prime, because it can be changed into another prime (49142479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24571236 + 24571237.

It is an arithmetic number, because the mean of its divisors is an integer number (24571237).

Almost surely, 2^49142473 is an apocalyptic number.

It is an amenable number.

49142473 is a deficient number, since it is larger than the sum of its proper divisors (1).

49142473 is an equidigital number, since it uses as much as digits as its factorization.

49142473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 49142473 is about 7010.1692561592. The cubic root of 49142473 is about 366.2848892202.

The spelling of 49142473 in words is "forty-nine million, one hundred forty-two thousand, four hundred seventy-three".