49142419 has 2 divisors, whose sum is σ = 49142420. Its totient is φ = 49142418.

The previous prime is 49142399. The next prime is 49142473. The reversal of 49142419 is 91424194.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49142419 - 2¹³ = 49134227 is a prime.

It is a super-2 number, since 2×49142419² = 4829954690343122, which contains 22 as substring.

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, 24571209 + 24571210.

It is an arithmetic number, because the mean of its divisors is an integer number (24571210).

Almost surely, 2^49142419 is an apocalyptic number.

49142419 is a deficient number, since it is larger than the sum of its proper divisors (1).

49142419 is an equidigital number, since it uses as much as digits as its factorization.

49142419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 34.

The square root of 49142419 is about 7010.1654046107. The cubic root of 49142419 is about 366.2847550566.

The spelling of 49142419 in words is "forty-nine million, one hundred forty-two thousand, four hundred nineteen".