49401619 has 4 divisors (see below), whose sum is σ = 49416480. Its totient is φ = 49386760.

The previous prime is 49401617. The next prime is 49401629. The reversal of 49401619 is 91610494.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 49401619 - 2¹ = 49401617 is a prime.

It is a super-2 number, since 2×49401619² = 4881039919642322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49401617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102 + ... + 9940.

It is an arithmetic number, because the mean of its divisors is an integer number (12354120).

Almost surely, 2^49401619 is an apocalyptic number.

49401619 is a deficient number, since it is larger than the sum of its proper divisors (14861).

49401619 is an equidigital number, since it uses as much as digits as its factorization.

49401619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14860.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 49401619 is about 7028.6285290944. The cubic root of 49401619 is about 366.9276115868.

The spelling of 49401619 in words is "forty-nine million, four hundred one thousand, six hundred nineteen".