1949457502 has 4 divisors (see below), whose sum is σ = 2924186256. Its totient is φ = 974728750.

The previous prime is 1949457491. The next prime is 1949457553. The reversal of 1949457502 is 2057549491.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487364374 + ... + 487364377.

It is an arithmetic number, because the mean of its divisors is an integer number (731046564).

Almost surely, 2^1949457502 is an apocalyptic number.

1949457502 is a deficient number, since it is larger than the sum of its proper divisors (974728754).

1949457502 is an equidigital number, since it uses as much as digits as its factorization.

1949457502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974728753.

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 1949457502 is about 44152.6613240923. The cubic root of 1949457502 is about 1249.2171101959.

The spelling of 1949457502 in words is "one billion, nine hundred forty-nine million, four hundred fifty-seven thousand, five hundred two".