1402733649 has 4 divisors (see below), whose sum is σ = 1870311536. Its totient is φ = 935155764.

The previous prime is 1402733609. The next prime is 1402733671. The reversal of 1402733649 is 9463372041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1402733649 - 2²⁷ = 1268515921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1402733609) 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, 233788939 + ... + 233788944.

It is an arithmetic number, because the mean of its divisors is an integer number (467577884).

Almost surely, 2^1402733649 is an apocalyptic number.

It is an amenable number.

1402733649 is a deficient number, since it is larger than the sum of its proper divisors (467577887).

1402733649 is an equidigital number, since it uses as much as digits as its factorization.

1402733649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467577886.

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 1402733649 is about 37453.0859743226. The cubic root of 1402733649 is about 1119.4165884243.

The spelling of 1402733649 in words is "one billion, four hundred two million, seven hundred thirty-three thousand, six hundred forty-nine".