2449651942 has 4 divisors (see below), whose sum is σ = 3674477916. Its totient is φ = 1224825970.

The previous prime is 2449651861. The next prime is 2449651943. The reversal of 2449651942 is 2491569442.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2449651892 and 2449651901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2449651943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612412984 + ... + 612412987.

It is an arithmetic number, because the mean of its divisors is an integer number (918619479).

Almost surely, 2^2449651942 is an apocalyptic number.

2449651942 is a deficient number, since it is larger than the sum of its proper divisors (1224825974).

2449651942 is a wasteful number, since it uses less digits than its factorization.

2449651942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224825973.

The product of its digits is 622080, while the sum is 46.

The square root of 2449651942 is about 49493.9586414342. The cubic root of 2449651942 is about 1348.0359078302.

The spelling of 2449651942 in words is "two billion, four hundred forty-nine million, six hundred fifty-one thousand, nine hundred forty-two".