2902021090 has 16 divisors (see below), whose sum is σ = 5450753088. Its totient is φ = 1110338416.

The previous prime is 2902021051. The next prime is 2902021103. The reversal of 2902021090 is 901202092.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6308512 + ... + 6308971.

It is an arithmetic number, because the mean of its divisors is an integer number (340672068).

Almost surely, 2^2902021090 is an apocalyptic number.

2902021090 is a deficient number, since it is larger than the sum of its proper divisors (2548731998).

2902021090 is a wasteful number, since it uses less digits than its factorization.

2902021090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12617513.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 2902021090 is about 53870.4101525132. The cubic root of 2902021090 is about 1426.3743531482.

The spelling of 2902021090 in words is "two billion, nine hundred two million, twenty-one thousand, ninety".